import store from '@/store'
import config from '@/config'
import configService from '@/api/config.service'

console.log(configService.apiUrl)
import {
  getToken
} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {
  toast,
  showConfirm,
  tansParams,
  delEmptyQueryNodes
} from '@/utils/common'

let timeout = 10000
const baseUrl = configService.apiUrl

const request = config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  config.header = config.header || {}
  if (getToken() && !isToken) {
    config.header['Authorization'] = 'Bearer ' + getToken()
    config.header['userid'] = store.getters.userId
  }
  config.header['os'] = 'app'
  // get请求映射params参数，uniapp如果是GET请求会自动在url后面添加参数
  // if (config.params) {
  //   let url = config.url + '?' + tansParams(config.params)
  //   url = url.slice(0, -1)
  //   config.url = url
  // }
  // 移除underfunded、null参数
  if (config.method.toLowerCase() === 'get') {
    config.data = delEmptyQueryNodes(config.data)
  }
  return new Promise((resolve, reject) => {
    uni.request({
        method: config.method || 'GET',
        timeout: config.timeout || timeout,
        url: config.baseUrl || baseUrl + config.url,
        data: config.data,
        header: config.header,
        dataType: 'json'
      }).then(response => {
        let [error, res] = response
        if (error) {
          console.error(error)
          toast('后端接口连接异常')
          reject('后端接口连接异常')
          return
        }

        const code = res.data.code
        const msg = res.data.msg || errorCode[code] || errorCode['default']

        var token = res.header['x-refresh-token']
        if (token) {
          store.dispatch('refreshToken', token)
        }
        uni.hideLoading();
        if (code == 401) {
          showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
            if (res.confirm) {
              store.dispatch('LogOut').then(res => {
                uni.reLaunch({
                  url: '/pages/login'
                })
              })
            }
          })
          reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code !== 200) {
          toast(msg)
          reject(res.data)
        }
        resolve(res.data)
      })
      .catch(error => {
        let {
          message
        } = error
        if (message === 'Network Error') {
          message = '后端接口连接异常'
        } else if (message.includes('timeout')) {
          message = '系统接口请求超时'
        } else if (message.includes('Request failed with status code')) {
          message = '系统接口' + message.substr(message.length - 3) + '异常'
        }
        uni.hideLoading();
        toast(message)
        reject(error)
      })
  })
}

export default request